CN101365406A - Offset stem for earplug and earplug formed therewith - Google Patents
Offset stem for earplug and earplug formed therewith Download PDFInfo
- Publication number
- CN101365406A CN101365406A CNA2006800473649A CN200680047364A CN101365406A CN 101365406 A CN101365406 A CN 101365406A CN A2006800473649 A CNA2006800473649 A CN A2006800473649A CN 200680047364 A CN200680047364 A CN 200680047364A CN 101365406 A CN101365406 A CN 101365406A
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- China
- Prior art keywords
- stopper rod
- earplug
- axis
- handle
- attachment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/08—Protective devices for the ears internal, e.g. earplugs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/08—Protective devices for the ears internal, e.g. earplugs
- A61F11/12—External mounting means
Abstract
The invention provides a stem for an earplug and an earplug incorporating the stem where the stem includes an attachment portion configured to receive and retain a sound attenuating element, the attachment portion extending substantially along an attachment axis, and a handle portion extending from the attachment portion substantially along a handle axis, where at least part of the handle axis is non-collinear with respect to the attachment axis.
Description
Technical field
The present invention relates to hearing protection, more specifically, relate to a kind of stopper rod that is used for earplug and a kind of earplug of setovering from the decay portion of earplug with this stopper rod.
Background technology
The application of hearing protection and sound attenuation is well-known, and operational various dissimilar devices include, but are not limited to ear muff, half hearing device and earplug.Earplug is first-selection because of effective sound dampening property that it provided and comfortableness are generally.
Earplug roughly comprises the sound attenuating element that is placed in wearer's auditory meatus, is used for stopping up auditory meatus so that required sound attenuating to be provided.The sound attenuating element is generally made by the compressible elastomeric material such as foam or rubber.
This earplug may further include rigidity or the semi-rigid stopper rod that partially or completely is built in the elasticity sound attenuating element.This stopper rod provides certain rigidity to earplug, makes earplug insert easily or to push in the auditory meatus of user.In addition, the stopper rod that extends from the sound attenuating element can be used as the handle of earplug, makes things convenient for the insertion of earplug and extracts.
Usually, stopper rod is the cylindrical component that the longitudinal axis along earplug extends from the sound attenuating element.Be stopper rod from the sound attenuating element with the mode of attenuating elements conllinear to the tailing edge straight-line extension.Therefore, insert and when extracting earplug, this stopper rod can be used as handle.In the time of in earplug inserts auditory meatus, stopper rod stretches out from ear, and the wearer can grasp and adjust stopper rod as required.
Yet in this design, stopper rod may be subjected to misconnection and touch.For example, user may be at the arrangement hair, scratch or unexpectedly run into stopper rod when putting clothes etc. in order with hands.And for example, the wearer also may touch the stopper rod that exposes because of carelessness when wearing or putting in order add-on security protection-gears such as headwears such as medicated cap or protective eye lens, the helmet, mask.For another example, other people or the exterior object such as machine, building structure also may by mistake touch the stopper rod that exposes.
The contact of this class chance may make stopper rod shift out slightly, has therefore weakened the attenuating that earplug provides.This slight shifting out may even do not perceiveed by the wearer, therefore makes the wearer bear the lower attenuating of rank for a long time.Such misconnection is touched may be enough to earplug is all extracted in auditory meatus together, thereby makes the wearer be exposed to all external noises before correctly inserting earplug once more.In addition, some accidental contact may force stopper rod to move or stopper rod is rotated in auditory meatus to internal ear, therefore causes wearer's discomfort.
Usually, these traditional stopper rod formula earplugs adopt the paired form that links to each other with cord.Every pair comprises a cord that extends between the stopper rod of each earplug.This cord generally attaches to the stopper rod end that exposes, and extends from earplug, and at least the most at the beginning with stopper rod and sound attenuating elements conllinear.When wearing a pair of earplug that links to each other with cord, cord (as stopper rod) outwards and roughly stretches out from head from user ear.More specifically, cord initial with the stopper rod conllinear segment length that stretches out, then be bent downwardly, finally hang on wearer's jaw time or neck after.But this extension of cord has increased the contact portion of the earplug that inserts in essence.When wearing this earplug, the stopper rod that exposes and the ledge of cord be easier to be subjected to misconnection and to touch.The ledge that is cord may be subjected to unintentional dilatory or winding, thereby causes earplug partially or completely to shift out in auditory meatus.
Therefore, need a kind of stopper rod that is used for earplug, touch probability even it is enough to hand, inserts and extracts earplug and makes it also can reduce misconnection when linking to each other with cord by set and design.
Summary of the invention
The invention provides a kind of novelty and non-obvious hearing protection, it overcomes or has alleviated the above-mentioned and other problem and the shortcoming of prior art.
The invention provides a kind of stopper rod and a kind of earplug that is combined with this stopper rod that is used for earplug, wherein, this stopper rod comprises the attachment that is configured to receive and keep the sound attenuating element, this attachment is extended along attached axis basically, and the handle portion of extending along handle axis substantially from attachment, wherein to small part handle axis and attached axis conllinear not.
The present invention further provides a kind of earplug, it comprises substantially along the sound attenuating element of first axle extension and the stopper rod that extends from the sound attenuating element, wherein at least a portion of stopper rod is extended along second axis substantially, wherein second axis and first axle conllinear not.
The present invention also provides a kind of hearing protectors; it comprises and is used for stopping up the attenuating device of auditory meatus with attenuates sound to small part; the self damping device extends the handle apparatus of being convenient to hand, insert and extract hearing protectors; wherein, handle apparatus is setovered with respect to attenuating device so that the close wearer ear of handle apparatus.
By following accompanying drawing and detailed description, those of ordinary skills will be understood that the above-mentioned and other feature and the advantage of apparatus and method of the present invention.
Description of drawings
Referring now to accompanying drawing, wherein, the like in each accompanying drawing uses like numerals will:
Fig. 1 is side view that is used for the stopper rod of earplug in an embodiment of the present invention;
Fig. 2 is this vertical view that is used for the stopper rod of earplug;
Fig. 3 is this upward view that is used for the stopper rod of earplug;
Fig. 4 is this rearview that is used for the stopper rod of earplug;
Fig. 5 is this front view that is used for the stopper rod of earplug;
Fig. 6 is the side view with earplug of the stopper rod that is used for earplug shown in Fig. 1 to 5;
Fig. 7 is the vertical view of this earplug;
Fig. 8 is the upward view of this earplug;
Fig. 9 is the rearview of this earplug;
Figure 10 is the front view of this earplug;
Figure 11 is the side view that is used for the stopper rod of earplug in another embodiment of the present invention;
Figure 12 is this vertical view that is used for the stopper rod of earplug;
Figure 13 is this upward view that is used for the stopper rod of earplug;
Figure 14 is this rearview that is used for the stopper rod of earplug;
Figure 15 is this front view that is used for the stopper rod of earplug;
Figure 16 is the side view with earplug of the stopper rod that is used for earplug shown in Figure 11 to 15;
Figure 17 is the vertical view of this earplug;
Figure 18 is the upward view of this earplug;
Figure 19 is the rearview of this earplug;
Figure 20 is the front view of this earplug;
Figure 21 is the perspective view that is connected with earplug shown in Fig. 6 to 10 of cord;
Figure 22 is the perspective view that is connected with earplug shown in Figure 16 to 20 of cord;
Figure 23 to 25 is side views of earplug in other embodiments of the present invention;
Figure 26 is the side view of earplug shown in Figure 16 to 20 when wearing in ear;
Figure 27 is the front view of this earplug when wearing in ear;
Figure 28 is the rearview that is used for the stopper rod of earplug shown in Figure 11 to 15; And
Figure 29 is the rearview of earplug shown in Figure 16 to 20.
The specific embodiment
Fig. 1 to 5 shows the stopper rod 10 that is used for earplug 50 (seeing Fig. 6 to 10) in an exemplary embodiment of the present invention embodiment.Stopper rod 10 comprises handle portion 12 and the attachment 14 of extending from handle portion 12 substantially.To discuss in detail as this paper, handle portion 12 is designed and is positioned to be convenient to hand, earplug 20 is inserted auditory meatus and extracts auditory meatus, keeps external ear and the head of contiguous user simultaneously, thereby reduces the accidental contact that it brings.Attachment 14 is configured to receive and keep the sound attenuating portion 52 (Fig. 6 to 10) of earplug 50.
The handle portion 12 of stopper rod 10 comprises near-end 16 and relative far-end 18.Shown in Fig. 1 to 5, near-end 16 is arranged near the attachment 14.Far-end 18 located adjacent proximal end 16, and deviate from attachment 14.Near-end 16 is roughly along extending with attachment 14 common axis A-A.(specifically with reference to Fig. 1)
Far-end 18 departs from along axis B-B from near-end 16.The B-B axis is set to become the θ angle with the A-A axis.The θ angle roughly also preferably is between 110 to 140 degree greater than 90 degree.In this illustrative embodiments, the θ angle roughly less than or approximate greatly 125 the degree.In other words, axis B-B and axis A-A conllinear not.Far-end 18 comprises the handle region 20 of the length midpoint that approximately is arranged on far-end 18.Handle region 20 comprises is convenient to the wearer keeps stopper rod 10 with finger tip contour surface.For example, handle region 20 can comprise the oblong surface with plane and/or curvilinear characteristic.Be that handle region 20 can be combination in any flat, protruding, recessed or these features.Handle region 20 can be additionally and/or is alternately had an extracting structure, grasps structure and is set to embed embossment in the handle region 20 in handle region 20, for example line, outthrust etc.Handle region 20 may further include labelling, symbol etc., for example trade (brand) name, ProductName etc.These can be imprinted on the handle region 20 or with embossment or to embed pattern formed thereon.
In an illustrative embodiments, far-end 18 comprises the perforate 22 that is formed at near-end 16 opposite ends.Perforate 22 is extended along axis A-A, at cavity of far-end 18 inner formation.The perforate 22 and the cavity that forms roughly are circular cross sections, are configured to receive and keep as shown in figure 21 cord 51.Cord 51 makes the earplug 50 of formation couple together with another earplug 50, to form a pair of continuous earplug 50.The cross section of perforate 22 can be more smaller than the cross section of cord 51, remains in wherein to make cord 51 by frictional fit.Additionally and/or alternately, cord 51 can be bonded in the perforate of far-end 18 by methods such as binding agent, moulded-in-place processing.
Fig. 6 to 10 shows the earplug 50 with the sound attenuating element 52 that joins on the stopper rod 10.Herein, in the mode of example, with sound attenuating element 52 be depicted as comprise a plurality of towards after semi-hemispherical flanges 54.There is shown three such flanges 54.Certainly, earplug 50 can comprise more or less flange 54 (for example, four or more flange, two flanges, single flange or the like).The pedestal 56 of sound attenuating element partly is arranged on the near-end 16 of stopper rod 10.Herein, sound attenuating element 52 can be made of thermoplastic elastomer (TPE) (TPE) or any suitable compressible material.For example, disclosed element is similar or identical in the 4th, 867, No. 149 United States Patent (USP)s that sound attenuating element 52 can be announced with in JIUYUE, 1989 on the 19th, and its full content is hereby incorporated by.Sound attenuating element 52 can be molded in advance then by adhesive bond to stopper rod 10.In addition, this molded in advance sound attenuating element 52 can also join on the stopper rod 10 by the mode of frictional fit.In this embodiment, sound attenuating element 52 inside have the attachment 14 that a cavity design is used for receiving and keeping stopper rod 10.This cavity can have the cross section littler than the attachment 14 of stopper rod 10, to form frictional fit when stopper rod 10 is inserted cavitys.In addition, the attachment structure 24,26,28 of attachment 14 can be configured to mate with the inside of sound attenuating portion 52 in cavity or generation is clasped.Be that attachment 14 and cavity can comprise interlocking structure, for example male element and female element etc.In a further alternative embodiment, element 52 directly is overmolded on the stopper rod 10 simply.
Figure 12 to 15 and Figure 28 show the stopper rod 100 in another embodiment of the present invention.Stopper rod 100 is similar to stopper rod 10 mentioned above aspect a lot.For simplicity's sake, feature consistent in the of the present invention various embodiments discussed herein is introduced no longer again or is discussed in detail by consistent reference number indication.Stopper rod 100 comprises that wherein, two axial lines intersects the θ angle along the handle portion 12 of axis B-B extension and the attachment 14 of extending along axis A-A.Stopper rod 100 further comprises a flange 102 that is arranged on the near-end 16 of the contiguous handle portion 12 on the attachment 14.Flange 102 roughly is an infundibulate member that extends back, and opening is towards the handle portion 12 of stopper rod 100.As shown in the figure, flange 102 roughly is coniform.Under flange 102, between the part of the near-end 16 of flange 102 and stem handles portion 12, defined certain space.Especially referring to Figure 28 to 29.When earplug 110 was inserted auditory meatus, this space allowed flange 102 to collapse as required, coincide so that safe reaching completely to be provided.The attachment 14 of stopper rod 100 further comprises a roughly extended cylindrical component, and it extends to the front portion of stopper rod 100 from flange 102.
Figure 16 to 20 and Figure 29 show an earplug 110 that is made of stopper rod 100 and sound attenuating elements 112.Herein, sound attenuating element 112 is by attachment 14 and join to and be engaged in stopper rod 100 on the flange 102.That is, as shown in the figure, the rear portion 114 contiguous handle portion 12 of sound attenuating element 112 also attach to flange 102.The front portion 116 of sound attenuating element 112 comprises a round, as shapes such as hemisphere, semiellipsoids, so that earplug 110 inserts in wearer's auditory meatus.Sound attenuating element 112 further comprises a tapered portion 118 that is arranged between front portion 116 and the rear portion 114.Tapered portion 118 is zones that cross section reduces, and roughly extends at the middle part of sound attenuating element 112.Certainly, sound attenuating element 112 can select to comprise the substantial cylindrical body with consistent basically cross-sectional diameter.Sound attenuating element 112 can also further comprise the shape and/or the structure of spherical shape, the flange shape that extends back or any needs.Spaces during attached sound attenuating element 112 under the flange 102 are held.See Figure 29.As indicated above, this space allows the rear portion 114 of flange 102 and sound attenuating element 112 to collapse, so that earplug 110 coincide with auditory meatus.
Similar with earplug 50, earplug 110 comprises and is formed at the perforate 22 that stopper rod 100 inside are used to receive and keep cord 101, as shown in figure 22.Cord 101 is configured to be connected with another earplug 110 similarly, forms a pair of earplug 110 that is connected by cord thus.Cord 101 can pass through frictional fit, bonding or molded and engage with perforate 22.
The sound attenuating element 112 of earplug 110 is preferably formed by the compressible slow recovery elastic foam material such as polrvinyl chloride (PVC) or polyurethane.For example, sound attenuating element 112 can be by the U.S. Patent No. Re.29 of Decembers in 1977 announcement on the 6th, and the material described in 487 is made, and this patent full content is incorporated herein by reference.
Sound attenuating element 112 can moldedly in advance engage with stopper rod 110 by binding agent then.Herein, binding agent can be applied on the flange 102 that contacts with the rear portion 114 of sound attenuating element 112.Additionally and/or alternately, binding agent can be applied in the front end of attachment 14 and/or along the part of its length.In another embodiment, element 112 can directly be formed at and make element 112 and its mechanical bond on the stopper rod 100.For example, when sound attenuating element 112 is foamed materials, thereby element 112 can be by combining with it around attachment 14 molded formation.Herein, flange 102 is used for stopping in element 112 forming processes the foam of expansion.Flange 102 is also as mating surface and the conveniently shaping of the element that forms 112.In an alternative embodiments, according to known technology, sound attenuating element 112 can flood and be molded on the stopper rod 100.In another embodiment, sound attenuating element 112 can join on the stopper rod 100 by frictional fit.For example, element 112 can comprise a cavity of portion within it, is used to receive and keep the attachment 14 of stopper rod 100.The cross section of this cavity can be slightly less than the cross section of attachment 14, to produce frictional fit when attachment 14 is inserted cavity.Alternately and/or additionally, attachment 14 and inside cavity can be designed so that make sound attenuating element 112 couplings or snap fit onto on the stopper rod 100.For example, for ease of frictional fit or be clasped, attachment 14 and sound attenuating elements 112 can comprise interlocking (that is, public and female) structure.
The handle portion 12 of earplug 50,110 described herein is cylindrical basically, roughly has along the cross-sectional diameter of its length unanimity.Alternately, handle portion 12 can comprise the cross section of vary in diameter, makes one of handle portion 12 or some zones inwardly and/or outwards be conical and changes.In another embodiment, handle portion comprises straight line or the oval cross section with cross-sectional area consistent or that change.In addition, handle portion 12 can comprise as required these the structure in several or all the combination and/or other structures.
Handle portion of the present invention 12 so far has been described to comprise respectively and has intersected and near-end substantially linearly 16 and far-end 18.In another embodiment of the present invention, the handle portion 12 of stopper rod 10,100 from sound attenuating element 52,112 along curve extension.Promptly in this embodiment, handle portion to small part becomes circle, so that the longitudinal axis A-A at handle portion 12 Bending Deviation attachment 14 and sound attenuating elements 52,112 places.
For example, Figure 23 shows the earplug 200 with the sound attenuating element 52 that engages with stopper rod 202.Stopper rod 202 comprises the handle 204 of attachment 14 (not shown) and a bending.As shown in the figure handle 204 be bending make handle 204 at least a portion from the biasing of the axis A-A of sound attenuating element 52 and with its conllinear not.The curve of handle 204 can be the part of the circle of certain radius, oval a part or other any required curves.Figure 24 illustrates the earplug 250 in another embodiment of the present invention of knowing clearly.Earplug 250 comprises stopper rod 252, and stopper rod 252 has attachment 14 (not shown) that are connected on the sound attenuating element 52, and stopper rod 252 further comprises the shaped form handle 254 from its extension.Handle 254 comprise sweep make handle 254 from the biasing of the axis A-A of sound attenuating element 52 and with its conllinear not.Handle 254 is serpentine shape basically, that is, and and the shape of approximate S shape.By and large, thus stopper rod 202 and 252 comprises the handle 204 and 254 with curvilinear structures respectively causes between handle and axis A-A not collinear relationship.Certainly, stem handles 204,254 can further comprise other sweep and/or straight line portion as required.
Figure 25 shows the earplug 300 in another embodiment of the present invention.Earplug 300 comprises sound attenuating element 52 and from the stopper rod 302 of its extension.Stopper rod 302 comprises attachment 14 (not shown) and the handle portion 304 of extending from sound attenuating element 52.Handle portion 304 is extended along the axis B-B that becomes the θ angle with sound attenuating element 52 place axis A-A in the mode of substantially linear.That is, comprise except the handle portion 14 of handle 304 in stopper rod 10 herein the near-end with sound attenuating element conllinear that handle portion 304 is similar with handle portion 14 in the stopper rod 10.On the contrary, whole handle 304 is with respect to the angled extension of sound attenuating element.
Earplug 200,250 shown in the figure and 300 stem handles 204,254 and 304 have shape and circular cross section of the same size respectively along decreased food.Certainly, alternately, the cross section that handle 204,254,304 can have shape and/or size variation.Handle 204,254,304 can be additionally and/or the perforate 22 that alternately comprises handle region 20 and be used to receive and keep cord.
Sound attenuating element 52,112 described herein can be push-in type, laminated type or part laminated type.In one embodiment promptly, by simply with sound attenuating element 52, thereby 112 be positioned over auditory meatus inlet and inwardly the handle portion 12 of plunger bar 10,100 be inserted into auditory meatus.In another embodiment, roll extrusion sound attenuating element 52,112 between finger is so that element 52,112 was squeezed on the attachment 14 of stopper rod 10,100 before inserting auditory meatus fully.In another embodiment, sound attenuating element 52,112 was only partly pushed before inserting.
Different stopper rod 10,100,202,252,302 described herein can be made of plastics or elastomeric material, and can pass through molding process, and particularly injection molding process forms.
As described in detail herein, the handle portion 12,204,254,304 of earplug 50,110,200,250,300 comprises that one shifts into the part at θ angle with sound attenuating element 52,112 place longitudinal axis A-A separately.As previously mentioned, the θ angle preferably between 110 to 140 degree, is less than or equal to about 125 degree greater than 90 degree in an illustrative embodiments.Therefore, at least a portion of the handle portion 12,204,254,304 of stopper rod and sound attenuating element 52,112 biasings separately.When earplug 50,110,200,250,300 inserted in wearer's auditory meatus, the handle portion 12,204,254,304 that a part has angle still extended out from auditory meatus.The structure that handle portion 12,204,254,304 has angle prevents that stopper rod is too outstanding from ear.Be that the structure that handle portion 12,204,254,304 has angle makes each stopper rod be positioned over naturally in the fold or space of external ear auricle formation.The handle portion 12,204,254,304 of the earplug that preferably, has inserted is positioned over the intertragic notch that the tragus below forms.Discuss as being about to, the characteristic that handle portion 12,204,254,304 has angle allows the earplug stopper rod to extend out from auditory meatus in the mode that is difficult for discovering, the substantitally planar coplane of basic and external ear, reduced thus stopper rod to exposing outside and so having reduced the probability that misconnection is touched.
Figure 26 to 27 shows the earplug 110 that inserts the user auditory meatus.Sound attenuating element 112 plugs are in auditory meatus, and the handle portion 12 of stopper rod 10 is from its extension.Far-end 18 such angulations as indicated above of handle portion 12 and structure make that when earplug 50 inserted, far-end 18 roughly was positioned at fold and the space that external ear auricle 400 forms.As indicated above, as shown in the figure, far-end 18 is preferably located in the intertragic notch 402 of adjacent tragus 404 belows.Certainly, alternately, far-end 18 can be positioned at the space 406 of tragus 404 tops through auricular concha 408.Further alternately, far-end 18 can towards and/or extend through antitragus 410, antihelix 412 and helix 414 parts of external ear.Under any circumstance, the far-end 18 of the stopper rod 10 that extends out from wearer's auditory meatus is by having low profile with the burr angulation, rather than outside straight outstanding as traditional earplug is common.In this way, reduce stopper rod 10 and be exposed to wearer and other people body part, and away from machine, structure, clothing, headwear, safety device etc.Therefore, stopper rod 10 is configured to avoid some accidental misconnections to touch and provide, the profile difficult earplug discovered more fastening with respect to wearer ear and head.
Figure 26 to 27 only illustrates earplug 50 by by way of example.Other embodiments of all different earplugs as herein described and the design according to the present invention all are designed in the mode identical with earplug 50 and are similar to the operation of earplug 50 and insert in the auditory meatus.For example, when earplug 110 inserted in the auditory meatus, the far-end 18 of stopper rod 100 extended so that be positioned at the fold and the space of auricle naturally at a certain angle from auditory meatus, makes stopper rod 100 have the profile low with respect to the ear surface.Similarly, in the time of in earplug 300 inserts auditory meatus, the handle portion of stopper rod 302 304 is extended at a certain angle from auditory meatus, and is positioned at one of zone of the relative auricle of pointing out above, has therefore avoided the layout of not expecting outstanding, that can contact.In roughly same mode, when earplug 200 and 250 inserted in the auditory meatus, the bending features of handle portion 204,254 made stopper rod 202,252 extend in the fold of auricle 400 from auditory meatus with being difficult for discovering.
Shown in Figure 26 and 27, the stopper rod 12 that is used for earplug makes cord 101 extend from the downward wearer's of ear lower jaw (not shown) with respect to the offset features of decay portion 112 (having inserted).This makes cord 101 have profile closely with respect to wearer's head, therefore help to reduce cord 101 or contact with the accidental of cord 101.That is to say that in structure shown in the figure, cord 101 extends and the jaw that directly hangs on the wearer downwards down or behind the neck from the stopper rod 10 of contiguous intertragic notchs 402, and outside outstanding unlike traditional cord connects earplug.
As indicated above, earplug 200,250 and 300 can comprise and is connected in the cord of stopper rod end separately.In such embodiment, the feature of the bending of stopper rod/have angle will make cord downwards against wearer ear and lower jaw, the exemplary description by being done with reference to Figure 26 and 27 as mentioned.
Therefore; the present invention has produced and has a kind ofly inserted or be inserted into hearing protection in wearer's auditory meatus to small part; it comprise one be configured to from auditory meatus in angled or crooked mode in the fold that forms naturally of external ear and space or near the stopper rod that extends it, make earplug keep contiguous external ear and in application, make ear, head and the cervical region of cord with the contiguous wearer of downward mode.
Defined size and material and accompanying drawing purposes as an illustration only in this description, and can change according to required application according to instruction of the present invention.Although comprise same feature, the present invention is not limited to the concrete feature in the accompanying drawing.
In addition, although illustrate and described illustrative embodiments, but under situation without departing from the spirit or scope of the invention, can make different improvement and distortion to shown device and method, this point is conspicuous for the person of ordinary skill of the art.Therefore, be to be understood that described various embodiment only is example and unrestricted.
Claims (20)
1. stopper rod that is used for earplug comprises:
Be configured to receive and keep the attachment of sound attenuating element, described attachment is extended along attached axis basically; And
The handle portion of extending along handle axis basically from described attachment;
Wherein, to the described handle axis of small part and described attached axis conllinear not.
2. stopper rod as claimed in claim 1, wherein, described handle portion comprises the near-end of contiguous described attachment, wherein said near-end is basic to be extended with described attached axis conllinear ground.
3. stopper rod as claimed in claim 2, wherein, described handle portion further comprises the far-end that extends along described handle axis substantially from described near-end.
4. stopper rod as claimed in claim 3, wherein, described far-end has extracting structure, labelling and/or symbol formed thereon.
5. stopper rod as claimed in claim 1 wherein, describedly forms the angles of about 110 degree to 140 degree to the described handle axis of small part and described attached shaft line.
6. stopper rod as claimed in claim 5, wherein, whole described handle portion is extended with described angle from described attachment.
7. stopper rod as claimed in claim 1 wherein, describedly departs from described attached axis to the described handle axis of small part along curve, wherein said attached axis is longitudinal axis basically.
8. stopper rod as claimed in claim 1 further comprises being formed at the perforate that is used to receive and keep cord in the described handle portion.
9. stopper rod as claimed in claim 8, wherein, described perforate is configured to guide described cord along the direction with the basic conllinear of described handle axis.
10. earplug comprises:
The basic sound attenuating element that extends along first axle; And
Stopper rod from described sound attenuating element extension;
At least a portion of wherein said stopper rod is extended along second axis substantially;
Wherein said second axis and described first axle be conllinear not.
11. earplug as claimed in claim 10, wherein, described second axis departs from from described first axle to the angle of 140 degree with about 110 degree.
12. earplug as claimed in claim 10, wherein, described stopper rod comprises the near-end of contiguous described sound attenuating element, and wherein said near-end extends along described first axle substantially.
13. earplug as claimed in claim 12, wherein, described stopper rod further comprises from the basic far-end that extends along second axis that becomes about 110 degree to 140 degree angles with respect to described first axle longitudinally of described near-end.
14. earplug as claimed in claim 10, wherein, described first axle comprises basically axis longitudinally.
15. earplug as claimed in claim 14, wherein, described second axis comprises basically axis longitudinally.
16. earplug as claimed in claim 14, wherein, described second axis comprises from the curved portion of described first axle bending.
17. earplug as claimed in claim 10, wherein, whole described stopper rod extends along described second axis basically.
18. earplug as claimed in claim 10 further comprises being formed at the perforate that is used to receive and keep cord in the described stopper rod.
19. stopper rod as claimed in claim 18, wherein, described perforate is configured to guide described cord along the direction with the basic conllinear of described second axis.
20. a hearing protectors comprises:
Be used for stopping up the attenuating device of auditory meatus with attenuates sound to small part;
Extend so that hand, insert and extract the handle apparatus of described hearing protectors from described attenuating device;
Wherein, described handle apparatus is setovered with respect to described attenuating device, so that described handle apparatus is near wearer's ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097787.3A CN103211679B (en) | 2005-11-09 | 2006-10-31 | For the biased stopper rod of earplug and the earplug that formed by it |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/270,053 US8596279B2 (en) | 2005-11-09 | 2005-11-09 | Offset stem for earplug and earplug formed therewith |
| US11/270,053 | 2005-11-09 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097787.3A Division CN103211679B (en) | 2005-11-09 | 2006-10-31 | For the biased stopper rod of earplug and the earplug that formed by it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101365406A true CN101365406A (en) | 2009-02-11 |
Family
ID=37651093
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800473649A Pending CN101365406A (en) | 2005-11-09 | 2006-10-31 | Offset stem for earplug and earplug formed therewith |
| CN201310097787.3A Active CN103211679B (en) | 2005-11-09 | 2006-10-31 | For the biased stopper rod of earplug and the earplug that formed by it |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097787.3A Active CN103211679B (en) | 2005-11-09 | 2006-10-31 | For the biased stopper rod of earplug and the earplug that formed by it |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US8596279B2 (en) |
| EP (2) | EP2664310B1 (en) |
| CN (2) | CN101365406A (en) |
| BR (1) | BRPI0618505B1 (en) |
| PL (1) | PL1948105T3 (en) |
| WO (1) | WO2007055969A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087594A (en) * | 2016-12-21 | 2019-08-02 | 3M创新有限公司 | Earplug with the stopper rod for including casing |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8596279B2 (en) | 2005-11-09 | 2013-12-03 | 3M Innovative Properties Company | Offset stem for earplug and earplug formed therewith |
| US7743771B2 (en) * | 2005-11-09 | 2010-06-29 | 3M Innovative Properties Company | Earplug with articulating stem and locking features |
| KR20090026244A (en) | 2006-01-10 | 2009-03-12 | 프레지던트 앤드 펠로우즈 오브 하바드 칼리지 | Nano-otologic protective equipment for impact noise toxicity and/or blast overpressure exposure |
| SE536034C2 (en) * | 2010-08-26 | 2013-04-09 | Swedsafe Ab | Device for hearing protection |
| US8413663B2 (en) | 2011-02-04 | 2013-04-09 | Moldex Metric, Inc. | Push-in type of earplug with improved insertion stem |
| US8931489B2 (en) * | 2013-01-07 | 2015-01-13 | So Others May Hear, LLC | Hearing protection devices and kits including adjustable sound-attenuation assemblies |
| USD783003S1 (en) * | 2013-02-07 | 2017-04-04 | Decibullz Llc | Moldable earpiece |
| GB2520267A (en) * | 2013-11-13 | 2015-05-20 | Racal Acoustics Ltd | Earpiece |
| WO2016168645A1 (en) | 2015-04-16 | 2016-10-20 | JMJ Holdings, LLC | Sound attenuation |
| AU2019273819A1 (en) | 2018-05-23 | 2020-12-24 | Chronotech (Pty) Ltd | Earplugs with cord |
| US20200276054A1 (en) * | 2018-08-21 | 2020-09-03 | Howard S. Leight | Compressible Fit Earplug With Planar Insert |
| USD964547S1 (en) | 2021-02-03 | 2022-09-20 | JMJ Holdings, LLC | Earpiece device assembly |
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| US2458884A (en) * | 1946-01-03 | 1949-01-11 | Volkmann John | Ear protector valve |
| US2717596A (en) * | 1954-04-26 | 1955-09-13 | John S Knight | Cushion mounting for mass impedance resonance filter |
| US3811437A (en) | 1971-10-26 | 1974-05-21 | Cabot Corp | Earplugs |
| US4314553A (en) * | 1979-08-08 | 1982-02-09 | Bilsom Ab | Earplug and earplug set |
| US4867149A (en) | 1985-03-29 | 1989-09-19 | Cabot Corporation | Earplugs |
| US5074375A (en) * | 1989-10-18 | 1991-12-24 | Grozil Richard S | Hearing protection system assembly |
| US6241041B1 (en) * | 1993-06-04 | 2001-06-05 | Bacou Usa Safety, Inc. | Multi-cone earplug and method of forming and using |
| BR9706656A (en) | 1996-08-15 | 2000-01-18 | Cabot Safety Intermediante Cor | Hearing protection device with swiveling legs and its frame and hearing aid formed by the same |
| US5809574A (en) * | 1996-08-15 | 1998-09-22 | Cabot Safety Intermediate Corporation | Hearing protection device |
| US5781272A (en) * | 1997-06-06 | 1998-07-14 | Safety+Plus, Inc. | Eyesight protection apparatus with attached earplugs |
| US6176576B1 (en) * | 1997-06-06 | 2001-01-23 | Radians, Inc. | Eyewear supported by a wearer's concha of an ear |
| US5996584A (en) | 1998-03-05 | 1999-12-07 | Hearing Components, Inc. | Sealing strip for ear plugs and the like |
| US20020124851A1 (en) | 2000-11-28 | 2002-09-12 | Richard Knauer | Hearing protective device and method of making same |
| BR0307169B1 (en) | 2002-01-25 | 2012-09-04 | hearing protection device. | |
| US20040045558A1 (en) * | 2002-09-06 | 2004-03-11 | Duncan Taylor | Earplug and method of manufacturing an earplug |
| WO2004036953A1 (en) | 2002-10-16 | 2004-04-29 | Microsound A/S | Hearing prosthesis |
| US6761173B1 (en) * | 2003-01-07 | 2004-07-13 | Mimy Electronics Co., Ltd. | Ear plug to be inserted into the external auditory canal |
| CN2674810Y (en) * | 2004-01-20 | 2005-01-26 | 靖登实业有限公司 | Adjustable micro-supra-aural earphone |
| US7464786B2 (en) | 2004-06-11 | 2008-12-16 | Cabot Safety Intermediate Corporation | High sound attenuating hearing protection device |
| BRPI0607220B8 (en) * | 2005-01-21 | 2021-06-22 | 3M Innovative Properties Co | ear protection device with cushioning material |
| US8596279B2 (en) | 2005-11-09 | 2013-12-03 | 3M Innovative Properties Company | Offset stem for earplug and earplug formed therewith |
| US7743771B2 (en) | 2005-11-09 | 2010-06-29 | 3M Innovative Properties Company | Earplug with articulating stem and locking features |
-
2005
- 2005-11-09 US US11/270,053 patent/US8596279B2/en active Active
-
2006
- 2006-10-31 PL PL06827150T patent/PL1948105T3/en unknown
- 2006-10-31 CN CNA2006800473649A patent/CN101365406A/en active Pending
- 2006-10-31 WO PCT/US2006/042439 patent/WO2007055969A1/en active Application Filing
- 2006-10-31 EP EP13180132.6A patent/EP2664310B1/en active Active
- 2006-10-31 CN CN201310097787.3A patent/CN103211679B/en active Active
- 2006-10-31 EP EP06827150.1A patent/EP1948105B1/en active Active
- 2006-10-31 BR BRPI0618505-3A patent/BRPI0618505B1/en active IP Right Grant
-
2013
- 2013-03-12 US US13/795,790 patent/US10034798B2/en active Active
-
2018
- 2018-04-30 US US15/966,014 patent/US10966868B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087594A (en) * | 2016-12-21 | 2019-08-02 | 3M创新有限公司 | Earplug with the stopper rod for including casing |
| CN110087594B (en) * | 2016-12-21 | 2022-04-29 | 3M创新有限公司 | Earplug with stem including sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1948105A1 (en) | 2008-07-30 |
| US20180311077A1 (en) | 2018-11-01 |
| CN103211679A (en) | 2013-07-24 |
| BRPI0618505B1 (en) | 2023-01-10 |
| US20130186415A1 (en) | 2013-07-25 |
| EP1948105B1 (en) | 2019-10-09 |
| PL1948105T3 (en) | 2020-03-31 |
| US8596279B2 (en) | 2013-12-03 |
| WO2007055969A1 (en) | 2007-05-18 |
| US10034798B2 (en) | 2018-07-31 |
| US20070102006A1 (en) | 2007-05-10 |
| EP2664310A1 (en) | 2013-11-20 |
| CN103211679B (en) | 2015-12-02 |
| BRPI0618505A2 (en) | 2011-09-06 |
| EP2664310B1 (en) | 2022-06-08 |
| US10966868B2 (en) | 2021-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: 3M CREATION CO., LTD. Free format text: FORMER OWNER: CABOT SAFETY MEDIA CO., LTD. Effective date: 20090403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090403 Address after: American Minnesota Applicant after: 3M Innovative Properties Company Address before: American Delaware Applicant before: Cabot safety media Ltd |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090211 |